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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
31497299629945998 ~1990
31497803629956078 ~1990
31498199629963998 ~1990
31498559629971198 ~1990
314989134409847839 ~1992
31499183629983678 ~1990
31499711629994238 ~1990
31499939629998798 ~1990
315000172520001379 ~1991
31500263630005278 ~1990
315003531890021199 ~1991
31500383630007678 ~1990
31500503630010078 ~1990
31500659630013198 ~1990
315009237560221539 ~1992
315014475040231539 ~1992
31501523630030478 ~1990
315018237560437539 ~1992
31502183630043678 ~1990
31502363630047278 ~1990
31502459630049198 ~1990
31502699630053998 ~1990
315031192520249539 ~1991
31503443630068878 ~1990
31504619630092398 ~1990
Exponent Prime Factor Digits Year
315052972520423779 ~1991
31505459630109198 ~1990
315055011890330079 ~1991
315055331890331999 ~1991
31505783630115678 ~1990
31505843630116878 ~1990
31506071630121438 ~1990
31506119630122398 ~1990
315063531890381199 ~1991
31506599630131998 ~1990
31506719630134398 ~1990
31506743630134878 ~1990
31507211630144238 ~1990
31507271630145438 ~1990
31507523630150478 ~1990
31507571630151438 ~1990
31507991630159838 ~1990
31508159630163198 ~1990
31508231630164638 ~1990
315086212520689699 ~1991
31508843630176878 ~1990
31509251630185038 ~1990
31509371630187438 ~1990
31510079630201598 ~1990
31510091630201838 ~1990
Exponent Prime Factor Digits Year
315100912520807299
315100931890605599 ~1991
315103993151039919 ~1991
31511003630220078 ~1990
31511423630228478 ~1990
31512059630241198 ~1990
31512359630247198 ~1990
31512731630254638 ~1990
31512779630255598 ~1990
315142912521143299 ~1991
31514579630291598 ~1990
31514771630295438 ~1990
31514783630295678 ~1990
31514981119756927910 ~1993
31515023630300478 ~1990
31515563630311278 ~1990
31515719630314398 ~1990
315159892521279139 ~1991
315160273151602719 ~1991
31516811630336238 ~1990
31517231630344638 ~1990
31518023630360478 ~1990
315186531891119199 ~1991
31519583630391678 ~1990
31519703630394078 ~1990
Exponent Prime Factor Digits Year
31519919630398398 ~1990
315201411891208479 ~1991
31520171630403438 ~1990
31520519630410398 ~1990
31520579630411598 ~1990
31521131630422638 ~1990
31521239630424798 ~1990
31521359630427198 ~1990
31521851630437038 ~1990
31521863630437278 ~1990
31522019630440398 ~1990
31522103630442078 ~1990
31522207107175503910 ~1993
31523279630465598 ~1990
315232931891397599 ~1991
315236475674256479 ~1992
315238811891432879 ~1991
315240112521920899 ~1991
315249897565997379 ~1992
31525007378300084110 ~1994
315251771891510639 ~1991
31525919630518398 ~1990
31526227107189171910 ~1993
31526723630534478 ~1990
31526879630537598 ~1990
1875
GIMPS The Prime Pages FactorDb.com
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26-04-05